Keegan Boos (born circa 2000) portrays young James Ford in "The Incident, Part 1" where he is seen at his parents' funeral, beginning his letter addressed to Mr. Sawyer. He is also seen in a photo in "Recon".

Keegan's mother is a casting director and that is how he got his start in the business. His exact birthdate is unknown, but he started sixth grade in September 2011.[1] A resume accessed in October 2017 states he is 17 years old, which appears to be accurate;[2] the same resume accessed via Archive.org from February 2011 gives his age as 10.[3]

Besides "Lost", Boos most prominent role was as Young Oliver (portrayed as an adult by Ewan McGregor) in a movie called Beginners, released in 2011, and his IMDB credits continue acting through 2014.